/*
 * Copyright the original author or authors.
 * 
 * Licensed under the MOZILLA PUBLIC LICENSE, Version 1.1 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *	  http://www.mozilla.org/MPL/MPL-1.1.html
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 package com.googlecode.milib.data.value {
	import com.googlecode.milib.base.IChangable;
	import com.googlecode.milib.base.MLBroadcastClass;

	import flash.utils.Dictionary;

	/**
	 * @author Marek Brun
	 */
	public class MLValue extends MLBroadcastClass implements IChangable {
		
		//DATA:	* //oldValue
		public function get event_Changed():String{ return 'Changed'; }
			
		private var dict:Dictionary;
		
		public function MLValue($weakReference:Boolean=true, $initValue:*=null):void {
			dict=new Dictionary($weakReference);
			if($initValue!=null){
				dict[$initValue]=true;
			}
		}
		
		public function get v():* {
			for(var i:* in dict){
				if(i){ return i; }
			}
		}
		
		public function set v(newValue:*):void {
			if(v===newValue){ return; }
			var oldValue:* = v;
			dict[newValue]=true;
			broadcastEvent(event_Changed, oldValue);
		}
		
	}
}
